login.es6

// client
// ApiV1.login returns a userId and token given the right email and password
Meteor.loginWithApi = function (email, password, callback) {
  ApiV1.login(email, password)
    .then(function (response) {
      Accounts.callLoginMethod({
        api: true,
        token: response.data.token,
        userId: response.data.userId
      });
    })
    .catch(function (error) {
      // to do, handle response error
    });
}

// server
Accounts.registerLoginHandler(function (loginRequest) {
  if (!loginRequest.api) return undefined;
  if (!loginRequest.token || !loginRequest.userId) return null;
  
  let userId = null;
  let user = Users.findOne(loginRequest.userId);
  if (!user) {
    Users.insert({
      _id: loginRequest.userId,
      token: loginRequest.token
    });
  } else {
    userId = user._id;
  }
  
  let stampedToken = Accounts._generateStampedLoginToken();
  let hashedToken = Accounts._hashStampedToken(stampedToken);
  
  Users.update(userId, {
    $push: { "services.resume.loginTokens": stampedToken }
  });
  
  return {
    userId: userId,
    token: hashedToken
  }
});